CN219038625U - Bending test sample centering device - Google Patents

Abstract

The utility model provides a bending test sample centering device, which comprises: the bearing plate is fixedly provided with two supports, a sample plate is arranged between the two supports, the top surfaces of the two supports are respectively provided with a limit groove, and the top surfaces of the two supports are respectively provided with a clamping groove; the locating component, locating component sets up the top surface of support for the location placed in middle the model can be fixed a position the model through the locating piece, two locating pieces are close to the centre simultaneously when rotating the hand wheel and drive, and supplementary model prevents to one side skew simultaneously, improves positioner's accuracy simultaneously, can make two-way lead screw rotate through the bearing, thereby drive solid fixed ring and carry out the centre gripping location to the model, improved positioner's practicality, can assist the locating piece to carry out position adjustment through the directional piece, can not lead to experimental data's deviation because of the position difference of both sides locating piece, avoid many times experiments to reduce experimental cost.

Description

Bending test sample centering device

Technical Field

The utility model relates to the technical field of sample positioning, in particular to a bending test sample centering device.

Background

The bending test machine consists of two side oil cylinders and one main oil cylinder, after the main oil cylinder descends to a designated position, the two side oil cylinders are inwards extruded to complete the test, when the bending test is carried out on the existing bending test machine, the sample is required to be positioned, the sample is placed at the center of the pressure head when the main oil cylinder descends, and further the bending test can be more accurate.

However, in the existing bending test process, most of the bending test process is to observe whether two sides are perpendicular to the middle position of the main cylinder pressure head through naked eyes of a worker for multiple times, and after fine adjustment is performed on the sample again, whether the adjusted sample is parallel to the middle position of the main cylinder pressure head is observed again.

Disclosure of Invention

The utility model aims to provide a centering positioning device for a bending test sample, which solves the problems or at least partially solves the problems, so as to solve the problems that in the existing bending test process, most of the existing bending test process is to observe whether two sides are perpendicular to the middle position of a main cylinder pressure head or not through naked eyes of a worker for multiple times, fine-tune the sample again, and then observe whether the adjusted sample is parallel and positioned at the middle position of the main cylinder pressure head again.

In order to achieve the above purpose, the technical scheme of the utility model is specifically realized as follows:

the utility model provides a bending test sample centering device, which comprises: the bearing plate is fixedly provided with two supports, a sample plate is arranged between the two supports, the top surfaces of the two supports are respectively provided with a limit groove, and the top surfaces of the two supports are respectively provided with a clamping groove; and the positioning assembly is arranged on the top surface of the support and is used for centering and positioning the template.

Through adopting above-mentioned technical scheme, through setting up the locating piece, can fix a position the model through the locating piece, two locating pieces are close to the centre simultaneously when rotating the hand wheel and driving, and auxiliary sample board prevents to one side skew simultaneously, improves positioner's accuracy simultaneously.

As a further aspect of the present utility model, the positioning assembly includes: the two limiting holes are respectively formed in one side of the support, the two supporting grooves are respectively formed in one side of the inner wall of each limiting groove, the bearings are fixedly sleeved on the limiting holes and the inner sides of the supporting grooves, the two-way screw rods are fixedly sleeved on the inner circular wall surfaces of the inner rings of the bearings, the limiting holes correspond to the supporting grooves, and the outer circular wall surfaces of the two-way screw rods are in threaded connection with fixing rings.

Through adopting above-mentioned technical scheme, through setting up the bearing, can make two-way lead screw rotate through the bearing to drive the locating piece and carry out the centre gripping location to the model, improved positioner's practicality.

As a further aspect of the present utility model, the positioning assembly further includes: the two positioning blocks are arranged in the limiting groove, a threaded hole is formed in one side of each positioning block, the threaded hole is in threaded connection with the outer circular wall surface of the two-way screw rod, and a pointing block is fixedly arranged on one side of each positioning block.

Through adopting above-mentioned technical scheme, through setting up the directional piece, can assist the locating piece to carry out position adjustment through the directional piece to the accurate location of model can not lead to experimental data's deviation because of the position difference of both sides locating piece.

As a further scheme of the utility model, two sides of the two supports, which are close to each other, are respectively provided with a fixed groove, and a roller is fixedly arranged in the fixed groove.

Through adopting above-mentioned technical scheme, through setting up the dancer, can make it can not appear great deviation through the dancer in the stable model of experimental process, auxiliary template carries out crooked experiment, avoids multiple experiments to reduce the experiment cost.

As a further scheme of the utility model, a hand wheel is fixedly arranged at one end of the bidirectional screw rod, a connecting shaft is fixedly arranged at one side of the hand wheel, and a handle is fixedly arranged at one end of the connecting shaft.

Through adopting above-mentioned technical scheme, through setting up solid fixed ring, can carry out spacingly to two-way lead screw through solid fixed ring, can carry out rotatory fixed two-way lead screw to solid fixed ring when the locating piece reaches required position to make the locating piece can not appear removing, reduced the secondary adjustment of manpower.

As a further scheme of the utility model, a graduated scale is fixedly arranged in the clamping groove.

Through adopting above-mentioned technical scheme, through setting up the scale, can be to the accurate debugging of locating piece through the scale, through the directional scale of the directional piece of width adjustment of model to avoided the repeated location.

The utility model provides a centering and positioning device for a bending test sample, which has the beneficial effects that:

through setting up the locating piece, can fix a position the model through the locating piece, two locating pieces are close to the centre simultaneously when rotating the hand wheel and driving, auxiliary sample prevents to one side skew simultaneously, improve positioner's accuracy simultaneously, through setting up the directional piece, can assist the locating piece to carry out position adjustment through the directional piece, thereby to the accurate location of model, can not lead to experimental data's deviation because of the position difference of both sides locating piece, through setting up locating component, can make the staff carry out bending test's in-process through locating component, can be more convenient fix a position the position of sample, guaranteed that the sample can be in the central point of master cylinder pressure head after fixed, reduce bending test reinspection frequency, reduce personnel's repeated adjustment sample and adjustment sample position mistake, guarantee bending test disposable success.

Through setting up the bearing, can make two-way lead screw rotate through the bearing, thereby it carries out the centre gripping location to drive the locating piece to the model, positioner's practicality has been improved, through setting up the dancer, can stabilize the model through the dancer and make it can not appear great deviation in the experimentation, auxiliary template carries out crooked experiment, avoid many times experiments to reduce experimental cost, through setting up solid fixed ring, can carry out spacing to two-way lead screw through solid fixed ring, can rotate fixed two-way lead screw to solid fixed ring when the locating piece reaches required position, thereby make the locating piece can not appear removing, the secondary adjustment of manpower has been reduced, through setting up the scale, can be accurate debugging the locating piece through the scale, the directional scale of the directional piece of width adjustment of model, thereby avoided the repeated location.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of a split structure according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a positioning block according to an embodiment of the present utility model;

fig. 4 is a schematic view of a partial enlarged structure of a in fig. 3.

In the figure: 1. a bearing plate; 2. a support; 3. a limit groove; 4. a support groove; 5. a limiting hole; 6. a bearing; 7. a fixing ring; 8. a hand wheel; 9. a connecting shaft; 10. a handle; 11. a positioning block; 12. a threaded hole; 13. a fixing groove; 14. a roller; 15. a clamping groove; 16. a graduated scale; 17. a two-way screw rod; 19. a template; 20. pointing to the block.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the centering positioning device for bending test samples provided by the embodiment of the utility model comprises a bearing plate 1, two supports 2 are fixedly arranged on the top surface of the bearing plate 1, sample plates 19 are arranged between the two supports 2, limit grooves 3 are respectively formed on the top surfaces of the two supports 2, clamping grooves 15 are respectively formed on the top surfaces of the two supports 2, positioning components are arranged on the top surfaces of the supports 2 and are used for centering the sample plates 19, the sample plates 19 can be positioned through the positioning blocks 11, when a hand wheel 8 is rotated, the two positioning blocks 11 are simultaneously close to the middle, the sample plates 19 are assisted to prevent deflection to one side, meanwhile, the accuracy of the positioning device is improved, the positioning components comprise two limit holes 5, the two limit holes 5 are respectively formed on one side of the two supports 2, supporting grooves 4 are respectively formed on one side of the inner walls of the two limit holes 3, bearings 6 are respectively formed on one side of the inner walls of the two limit holes 5 and the supporting grooves 4, two inner circular wall surfaces of the bearings 6 are respectively fixedly sleeved with bearings 6, two lead screws 17 are respectively arranged on the inner circular wall surfaces of the two limit holes 5 and the supporting grooves 4, the two circular wall surfaces of the two lead screws 17 correspond to the two support grooves 4, the two circular wall surfaces 7 are positioned through the positioning blocks, and the two circular wall surfaces 7 are respectively, and the two circular rings 7 are fixedly connected with the two circular rings 6 through the bearings 6, and can be positioned through the two circular rings 6, and the two positioning devices, and the positioning devices are not arranged through the two circular structures, and can be positioned by the two positioning device through the bearing structures and 11.

Referring to fig. 1, fig. 2 and fig. 3, two locating blocks 11 all set up in the inside of spacing groove 3, screw hole 12 has been seted up to one side of locating block 11, screw hole 12 and the outer circular wall threaded connection of two-way lead screw 17, one side fixed mounting of locating block 11 has directional piece 20, through setting up directional piece 20, can assist locating block 11 to carry out position adjustment through directional piece 20, thereby to the accurate location of model 19, can not lead to experimental data's deviation because of the position difference of both sides locating block 11, fixed slot 13 has been seted up respectively to the both sides that two supports 2 are close to each other, the inside fixed mounting of fixed slot 13 has a roller 14, through setting up roller 14, can stabilize model 19 and can not appear great deviation in the experimentation through roller 14, roller 14 is for the structure that has now and does not do not make in here, assist model 19 carries out bending test, the experiment, the cost of experiment has been reduced to a lot of experiments.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, a hand wheel 8 is fixedly installed at one end of a bidirectional screw rod 17, a connecting shaft 9 is fixedly installed at one side of the hand wheel 8, a handle 10 is fixedly installed at one end of the connecting shaft 9, the bidirectional screw rod 17 can be limited by arranging a fixing ring 7, the fixing ring 7 can be rotationally fixed with the bidirectional screw rod 17 when a positioning block 11 reaches a required position, the bidirectional screw rod 17 is of an existing structure and is not repeated, so that the positioning block 11 cannot move, manual secondary adjustment is reduced, a graduated scale 16 is fixedly installed in a clamping groove 15, the graduated scale 16 is of an existing structure and is not repeated, the positioning block 11 can be accurately debugged by arranging the graduated scale 16, and the directional graduations of a pointing block 20 are adjusted by the width of a template 19, so that repeated positioning is avoided.

Working principle: referring to fig. 1-4, when in use, a worker can reset the fixing ring 7, then place the sample plate 19 between two groups of positioning blocks 11, then rotate the handle 10 to drive the hand wheel 8 to rotate the bidirectional screw rod 17, limit the two positioning blocks 11 through the limit groove 3, so that the bidirectional screw rod 17 can only move close to each other or separate from each other on the outer circular wall surface of the bidirectional screw rod 17 through the threaded hole 12 when in rotation, the forward screw rod can rotate clockwise, the reverse screw rod can rotate anticlockwise, thereby driving the two positioning blocks 11 to move oppositely to fix the sample plate 19, meanwhile, the auxiliary sample plate 19 prevents one side from shifting, meanwhile, the accuracy of the positioning device is improved, when the positioning block 11 reaches the central position, the positioning block 11 can be accurately debugged through the graduated scale 16, the pointing scale of the sample plate 19 is adjusted through the width of the sample plate 19, repeated positioning is avoided, the positioning block 11 can be assisted in position adjustment through the pointing block 20, the positioning block 11 cannot be accurately positioned, deviation of experimental data of the positioning blocks is caused by the difference of positions of the two sides 11, the positioning block is rotated, the fixing ring 7 is rotated to fix the sample plate 11, and the two-way rotation of the positioning block 11 can not reach the required two-way positioning block 11 when the two-way positioning block 11 is fixed by the fixing ring 17, and the two-way rotation of the positioning block 11 can not be adjusted by the two-way rotation of the screw rod 11.

The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.

Claims (6)

1. A bend test specimen centering device, comprising:

the bearing plate (1), the top surface of bearing plate (1) is fixedly installed with two supports (2), be provided with template (19) between two supports (2), the spacing groove (3) has been seted up respectively to the top surface of two supports (2), and joint groove (15) has been seted up respectively to the top surface of two supports (2);

and the positioning assembly is arranged on the top surface of the support (2) and is used for centering and positioning the template (19).

2. The bend test specimen centering device of claim 1, wherein the positioning assembly includes:

two spacing hole (5), two spacing hole (5) are seted up respectively in two one side of support (2), two supporting groove (4) have been seted up respectively to spacing groove (3) inner wall one side, spacing hole (5) with the inside of supporting groove (4) is all fixed the cover and is equipped with bearing (6), the interior round wall fixed cover of inner ring of bearing (6) is equipped with two-way lead screw (17), spacing hole (5) with supporting groove (4) are corresponding, the outer round wall threaded connection of two-way lead screw (17) has solid fixed ring (7).

3. The bend test specimen centering device of claim 2, wherein the positioning assembly further comprises:

the two positioning blocks (11), two positioning blocks (11) are all arranged in the limiting groove (3), a threaded hole (12) is formed in one side of each positioning block (11), the threaded hole (12) is in threaded connection with the outer circular wall surface of the two-way screw rod (17), and a pointing block (20) is fixedly arranged on one side of each positioning block (11).

4. The bending test sample centering device according to claim 1, wherein two sides of the support (2) close to each other are respectively provided with a fixing groove (13), and a supporting roller (14) is fixedly arranged in the fixing groove (13).

5. The bending test sample centering device according to claim 2, wherein a hand wheel (8) is fixedly arranged at one end of the bidirectional screw rod (17), a connecting shaft (9) is fixedly arranged at one side of the hand wheel (8), and a handle (10) is fixedly arranged at one end of the connecting shaft (9).

6. The bending test sample centering device according to claim 1, wherein a scale (16) is fixedly mounted inside the clamping groove (15).

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